Commit Graph

208 Commits

Author SHA1 Message Date
Randy Mackay 98efcd5f03 AHRS: always use EKF for copter 2015-03-19 15:15:51 +09:00
Andrew Tridgell ed0a56cc3c AP_AHRS: cope with the changed semantics of airspeed.use() 2015-01-20 11:27:58 +11:00
Randy Mackay 9e731550fd AHRS: default EKF on for copter 2014-12-01 17:29:39 +09:00
Andrew Tridgell 26de54c29a AP_AHRS: cope with 90 degree pitch in update_trig()
this prevents a numerical error in Replay
2014-10-25 11:21:04 +11:00
Andrew Tridgell 4ad643b233 AP_AHRS: use a common function for updating the CD values
this ensures the wrapping of yaw is consistent between the 3 use cases
2014-10-15 13:18:08 +11:00
Andrew Tridgell f07e4dee52 AP_AHRS: convert to new GPS API 2014-04-01 06:38:24 +11:00
Andrew Tridgell 0b45d2bc06 AP_AHRS: removed the AHRS_GPS_DELAY parameter
the best value has turned out to be 1, and tweaking it has not turned
out to be useful, so this simplifies the code in preparation for
adding the anti-aliasing handling with multiple accelerometers
2014-02-27 08:57:44 +11:00
Andrew Tridgell 392995ef84 AP_AHRS: make AHRS handle altitude
AHRS now holds the home position
2014-02-15 05:29:47 +11:00
Andrew Tridgell 8c5cde4efd AP_AHRS: allow NavEKF to be enabled at runtime with AHRS_EKF_USE=1 2014-02-15 05:28:10 +11:00
Randy Mackay 3dc6ea682c AHRS: add update_trig
Calculates helper trig values including cos_roll, cos_pitch
2014-02-08 18:16:39 +09:00
Paul Riseborough f2c2811ef3 AP_AHRS & AP_Math: fixed bug in use of AHRS_TRIM parameters 2014-01-19 07:19:43 +11:00
Andrew Tridgell a96840e194 AP_AHRS: changed default GPS lag to 1 sample
this is based on detailed logs from a LEA-6H and NEO-7N
2013-12-30 10:33:48 +11:00
Andrew Tridgell 410d356979 AP_AHRS: make airspeed_estimate const 2013-12-29 18:39:01 +11:00
Andrew Tridgell 56bcda7252 AP_AHRS: lower default roll and yaw drift correction speed
the gyros sustain accuracy over much longer time periods than
previously expected
2013-11-05 14:52:39 +11:00
Andrew Tridgell 02d6f012ce AP_AHRS: added accel sum delay buffer to account for GPS lag 2013-11-04 21:21:42 +11:00
Andrew Tridgell c56017d8f1 AP_AHRS: added in new orientations 2013-08-30 14:19:17 +10:00
Andrew Tridgell 587fb58720 AP_AHRS: fixed license text
APM is under GPL, not LGPL
2013-08-30 13:01:32 +10:00
Andrew Tridgell 57d2dd814d AP_AHRS: added get_position_lag() call
provide position lag to libraries
2013-08-13 12:07:35 +10:00
Andrew Tridgell 0d36832b82 AP_AHRS: use const reference not pointers for locations
this makes life easier for the new AP_Mission library

Pair-Programmed-With: Brandon Jones <brnjones@gmail.com>
2013-08-05 10:24:12 +10:00
Andrew Tridgell ec73fadc45 AP_AHRS: added true airspeed support in AHRS
use true airspeed for wind calculations, and allow other drivers to
ask for the current ratio
2013-07-22 12:50:01 +10:00
Andrew Tridgell b721bcc129 AP_AHRS: removed get_roll_rate_earth() and get_pitch_rate_earth()
these are not used any more
2013-07-13 21:45:58 +10:00
Randy Mackay 7860d06b91 AHRS: typo fix for ORIENTATION param description 2013-07-10 14:56:48 +09:00
Andrew Tridgell 279f6d00f0 AP_AHRS: changes for GPS field changes 2013-07-10 14:04:22 +10:00
Randy Mackay ded31582de AP_AHRS: add Roll90Yaw90 to parameter description
Thanks to Rainer Walther for spotting this
2013-07-07 13:06:40 -10:00
Andrew Tridgell 14628990e6 AP_AHRS: make wind estimation configurable
rover doesn't want it
2013-05-24 11:21:42 +10:00
Randy Mackay b27ddf0f63 AP_AHRS: add parameter descriptions 2013-05-21 15:39:03 +09:00
Andrew Tridgell c08c084191 AP_AHRS: added get_projected_position()
this is used to project the position forward by the GPS lag
2013-05-17 08:32:21 +10:00
Andrew Tridgell a17b85c661 AP_AHRS: use vectors for ground vector complimentary filter 2013-05-13 11:27:55 +10:00
Andrew Tridgell 943a1d8c8d AP_AHRS: added AHRS_GPS_MINSATS option
if the number of visible satellites is below AHRS_GPS_MINSATS then
don't use the GPS for acceleration correction for attitude
2013-05-05 12:48:01 +10:00
Andrew Tridgell ba83950fc4 libraries: replace constrain() with constrain_float()
this makes the type much more obvious. Thanks to Tobias for the
suggestion.
2013-05-02 10:25:40 +10:00
Andrew Tridgell 014c9376e7 AP_AHRS: use const references where possible 2013-04-22 13:26:49 +10:00
Andrew Tridgell a4d25f5a82 AHRS: removed AHRS_BARO_USE option
this option has caused users too much trouble. The vertical velocity
is too noisy from the baro
2013-04-15 10:52:31 +10:00
Andrew Tridgell 87b0fb05ce AHRS: changed default RP and YAW gain to 0.3
this reduces the impact of hard acceleration on takeoff, and reduces
the impact of GPS lag

Note that this doesn't affect copters, as they override to 0.1
2013-04-15 10:52:31 +10:00
priseborough b63d0969b7 AP_AHRS: Addition of a first order complementary filter to AP_AHRS::groundspeed_vector
Addition of a complementary filter to estimation of the ground velocity vector for use by the L1-nav
2013-04-12 12:48:09 +10:00
Andrew Tridgell 05ecb8d8fa AP_AHRS: fixed functions that need to be virtual
functions overridden in a child class need to be marked virtual, or
you get the parent class function
2013-04-12 12:48:08 +10:00
Andrew Tridgell ee81b0f729 AP_AHRS: added wind_correct_bearing() and groundspeed_vector()
these are very useful for navigation libraries
2013-04-12 12:48:08 +10:00
Randy Mackay 24044dc0c4 AHRS: add support for GPS fix type 2D 2013-03-27 11:41:43 +09:00
Randy Mackay 3321db8dde AHRS: limit trim to 10 degrees 2013-02-19 18:50:57 +09:00
James Bielman 5631f865b2 Update floating point calculations to use floats instead of doubles.
- Allows use of hardware floating point on the Cortex-M4.
- Added "f" suffix to floating point literals.
- Call floating point versions of stdlib math functions.
2013-01-16 13:52:01 +11:00
Andrew Tridgell f644a356c9 AP_AHRS: document more rotation combinations 2013-01-13 17:32:48 +11:00
Andrew Tridgell 848fc3e32d AP_AHRS: added AHRS_ORIENTATION parameter 2013-01-13 17:32:48 +11:00
rmackay9 9e5861ccaf AP_AHRS: small fix to parameter comments 2013-01-02 16:08:38 +09:00
rmackay9 77331f6538 AP_AHRS: another attempt at updating the TRIM parameter descriptions 2013-01-02 15:47:59 +09:00
rmackay9 e6c10f4f0b AP_ARHS: add description to AHRS_TRIM parameters 2013-01-02 15:44:42 +09:00
rmackay9 bd0e018ca0 ArduCopter: restore auto-trim method but now use AHRS.add_trim 2013-01-02 09:20:08 +11:00
Andrew Tridgell e282554035 AHRS: removed some debug code 2012-12-20 14:53:23 +11:00
Andrew Tridgell 5840ded767 AHRS: removed constrain() defines 2012-12-20 14:51:34 +11:00
Pat Hickey 9bf69d4e0d AP_AHRS: port to AP_HAL 2012-12-20 14:51:29 +11:00
rmackay9 24317e721b AC_PID, AP_AHRS: added descriptions to some parameters 2012-12-10 22:28:39 +09:00
Andrew Tridgell 1dad9e4e94 AHRS: improved some more doc strings 2012-11-27 15:56:53 +11:00
Andrew Tridgell eb1d5c2c68 AHRS: improved docs for AHRS_GPS_USE
some people are setting this to zero to prevent jitter, which results
in their plane flying off into the distance and never coming back
2012-11-27 15:41:52 +11:00
Andrew Tridgell 5a214acca3 AHRS: changed the docs for AHRS_YAW_P and AHRS_RP_P
a user had set AHRS_YAW_P to zero. Make it clear that zero is not a
good value. MichaelO will change MP to give a warning for a value
below 0.1
2012-11-19 22:50:05 +11:00
rmackay9 83ae8e47be AP_AHRS: replace IMU with INS and add roll and pitch trim 2012-11-07 19:20:32 +09:00
Andrew Tridgell 458a42654b DCM: disable use of baro for vertical accel by default
this has caused problems with too many users
2012-09-20 17:34:32 +10:00
Andrew Tridgell fba1692d69 AHRS: added AHRS_BARO_USE parameter
allow disabling of the use of the barometer for vertical acceleration
compensation
2012-09-12 14:42:04 +10:00
Andrew Tridgell de28cc8b28 AHRS: added AHRS_WIND_MAX option
this allows APM to cope better with airspeed sensor failure, but
ensuring airspeed stays within AHRS_WIND_MAX of ground speed
2012-09-08 11:37:07 +10:00
Andrew Tridgell 2be785899b AHRS: added airspeed_estimate() function
this allows the APM code to use an airspeed estimate for navigation
2012-08-25 17:49:26 +10:00
Andrew Tridgell 134cd51d17 AHRS: moved var_info[] into top level AP_AHRS class 2012-08-21 15:58:09 +10:00